Handy Device + Phone App Tells if Fruit Is Ripe - IEEE Spectrum
Spectrometry - Apps on Google Play
Mobile LED Spectrophotometer for your iphone and Android
Aspectra mini - Apps on Google Play
See the Light by Making a Cell Phone Spectrophotometer | Science Project
Use Your Smartphone as an "Absorption Spectrophotometer" | Chemical Education Xchange
Flicker Light Meter Ohsp350f Spectrometer Cct Cri Lux Spectrum Test Hopoocolor - Spectrometers - AliExpress
application of spectrometer - Hopoo
Spectrometry - Data Collection & Analysis Software | PASCO
nanoLambda XL-500 - Tiny Spectroradiometer to Find Optimum Spectrum for Plants and Humans — LED professional - LED Lighting Technology, Application Magazine